Product Details
Pure race plug: solid-copper-core nickel construction tuned for high-RPM, high-cylinder-pressure engines where the heat range matters more than service life.
- Compact, solid-copper-core design with a nickel ground electrode optimized for the heat range, not the service interval.
- Heat ranges run colder than street plugs (typically NGK 8–10) so the tip stays out of the pre-ignition zone in built engines and forced-induction race motors.
- Available in standard 14mm and racing 10mm thread sizes, in projected and non-projected tip geometries to match the chamber.
- Solid terminal or removable nut variants — pick the one that matches your plug-cap style; check the variant title.
- Short service life by design — these are race weekend plugs, not 30,000-mile street plugs.
Spec: R6252K-105
Fitment
Kawasaki: KX 80 R 1992–1997 · KX 80 R Big Wheel KX80-R 1992–1994 · KX 80 1997–1999 · KX 80 II 1997–1999 · KX 80 W 1998–2000 · KX 85 A 2001–2013 · KX 85 B 2007–2013 · KX 85 I KX85C 2014–2026 · KX 85 II KX85D 2014–2026 · KX 100 KX100B2, KX100B3, KX100B4, KX100B5, KX100B6, KX100B7, KX100C, KX100D, KX100F 1992–2015 · KX 112 KX112A 2024–2026 · KX 125 1990–1994 · KX 125 K KXEK1V 1997
Suzuki: RM 100 2004–2026